6692664 has 64 divisors (see below), whose sum is σ = 18506880. Its totient is φ = 2000000.

The previous prime is 6692663. The next prime is 6692669. The reversal of 6692664 is 4662966.

6692664 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6692663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26539 + ... + 26789.

It is an arithmetic number, because the mean of its divisors is an integer number (289170).

Almost surely, 2^6692664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6692664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9253440).

6692664 is an abundant number, since it is smaller than the sum of its proper divisors (11814216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6692664 is a wasteful number, since it uses less digits than its factorization.

6692664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 368 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 6692664 is about 2587.0183609708. The cubic root of 6692664 is about 188.4515327316.

It can be divided in two parts, 669 and 2664, that added together give a palindrome (3333).

The spelling of 6692664 in words is "six million, six hundred ninety-two thousand, six hundred sixty-four".